Warning: file_put_contents(/www/wwwroot/ppbbu/www.30232.com/cache/fd1e2c6e05419ff68bdfcb3f969a58d1.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/www.30232.com/index.php on line 55 gentle-dip例句_gentle-dip英汉例句_gentle-dip双解例句_绍翊字体网有道词典
It can be used for reference for the import and remoulding of supporting equipments of deep well mining of narrow and gentle dip vein. 这对我国缓倾斜薄矿脉的矿山深井开采支护设备的引进和改造，将有一定的参考借鉴作用。